Which food has less impact on blood sugar?

CRUST: ORGANIC FLOUR (UNBLEACHED WHITE), WATER, WHOLE MILK, SEA SALT, YEAST. FILLING: MOZZARELLA CHEESE (PASTEURIZED MILK, CHEESE CULTURES, SALT, AND ENZYMES, (POWDERED CELLULOSE TO PREVENT CAKING, NATAMYCIN TO PROTECT FLAVOR)). SAUCE: (ORGANIC DICED TOMATOES IN JUICE (ORGANIC TOMATOES, ORGANIC TOMATO JUICE, SEA SALT, NATURALLY DERIVED CITRIC ACID, CALCIUM CHLORIDE), ORGANIC ONIONS, ORGANIC MAPLE SYRUP, ORGANIC CELERY, ORGANIC CARROTS, ORGANIC WINE, ORGANIC GARLIC, ORGANIC OLIVE OIL, ORGANIC PARSLEY, ORGANIC SPICES, KOSHER SALT). UNCURED PEPPERONI (NO NITRITES OR NITRATES ADDED* *EXCEPT FOR THOSE NATURALLY OCCURRING IN NATURAL FLAVORING. PORK, BEEF, SALT, CONTAINS 2% OR LESS OF WATER, SPICE, SEASONING (CANE SUGAR, CELERY JUICE POWDER), SEASONING EXTRACTIVES OF PAPRIKA, NATURAL SPICE EXTRACTIVES), LACTIC ACID STARTER CULTURE) UNCURED BACON (NO NITRITES OR NITRATES ADDED* *EXCEPT FOR THOSE NATURALLY OCCURRING IN NATURAL FLAVORING), PORK, WATER, SALT, TURBINADO SUGAR, SEASONING (CULTURED CELERY JUICE POWDER, SEA SALT). RICOTTA CHEESE (PASTEURIZED MILK, SALT, LACTIC ACID), AND PARSLEY.